216525060 has 72 divisors (see below), whose sum is σ = 658082880. Its totient is φ = 57626688.

The previous prime is 216525031. The next prime is 216525061. The reversal of 216525060 is 60525612.

216525060 is a `hidden beast` number, since 2 + 1 + 652 + 5 + 0 + 6 + 0 = 666.

216525060 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216525061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132931 + ... + 134549.

It is an arithmetic number, because the mean of its divisors is an integer number (9140040).

Almost surely, 2^216525060 is an apocalyptic number.

216525060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216525060 is an abundant number, since it is smaller than the sum of its proper divisors (441557820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216525060 is a wasteful number, since it uses less digits than its factorization.

216525060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 216525060 is about 14714.7905183866. The cubic root of 216525060 is about 600.4857732677.

It can be divided in two parts, 2165 and 25060, that added together give a square (27225 = 165²).

The spelling of 216525060 in words is "two hundred sixteen million, five hundred twenty-five thousand, sixty".